About the Authors

Pierre Mollet

pierre.mollet@vogelwarte.ch

Affiliation Swiss Ornithological Institute, Seerose 1, CH-6204, Sempach, Switzerland

Marc Kéry

Affiliation Swiss Ornithological Institute, Seerose 1, CH-6204, Sempach, Switzerland

Beth Gardner

Affiliation North Carolina State University, Raleigh, North Carolina, 27695, United States of America

Gilberto Pasinelli

Affiliation Swiss Ornithological Institute, Seerose 1, CH-6204, Sempach, Switzerland

J. Andrew Royle

Affiliation U. S. Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland, 20708, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PM MK BG JAR. Performed the experiments: PM MK BG JAR. Analyzed the data: MK BG GP JAR. Contributed reagents/materials/analysis tools: MK BG JAR. Wrote the paper: PM MK BG GP JAR. Leading field work: PM. Coordinating genetic lab work: PM.